privacy lock app As a calculator lock app,

As a calculator lock app, privacy lock app is a photo and video calculator vault to hide photos, hide pictures, & lock videos behind a math calculator that really works!
Disguised as a calculator, privacy lock app is a stunning free video vault, audio protector and privacy lock for your personal information. After setting a password on the calculator panel, you can easily manage the privacy folders or albums of photos and videos, lock videos and hide photos from system gallery,

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